Learn more about how common house flies eat (and poop), plus what’s really going on when one of them ends up in your dinner.

So, you're dealing with a house flies infestation. The good news: house flies don't bite. The bad news: It's gross to have a ...

But researchers say that some species, such as houseflies and cockroaches, are likely to boom. The general insect decline is being caused by intensive agriculture, pesticides and climate change.

What happens when a housefly lands on your food? First, houseflies have no teeth. They eat by slurping fluids through a trunk-like nose. When they land on solid food, they regurgitate saliva on it.